Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh lam » thanh lap, hanh kem, hanh va
hanh lai » hanh tai, thanh lap, thanh loi
chau tre » chay tren, chau tho, cho tre
xuc van » duc van, luc van, xuc ban
sach ty » sach y, sach tu, sach thu
vuc van » duc van, luc van, thuc van
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
va cam » va cham, va cac, va cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang xa hoi. hieu va cam ((xuc van) or (vuc van)) ((hanh lai) OR (hanh lam)) chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang xa hoi. hieu va cam ((xuc van) OR (vuc van)) ((hanh lai) OR (hanh lam)) chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang xa hoi. hieu va cam ((xuc van) or (vuc van)) ((hanh lai) OR (hanh lam)) chau tre".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. hieu va cam ((xuc van) or (vuc van)) ((hanh lai) OR (hanh lam)) chau tre*.